<template>
  <div class="update-photo">
    <img class="img" :src="img" ref="img">

    <div class="toolbar">
      <div class="cancel" @click="$emit('close')">取消</div>
      <div class="confirm" @click="onConfirm">完成</div>
    </div>
  </div>
</template>

<script>
import "cropperjs/dist/cropper.css"
import Cropper from "cropperjs"
import {updateUserPhoto} from "@/api/user"
export default {
  name: 'UpdatePhoto',
  components: {},
  props: {
    // 预览图片地址信息  
    img: {
      type: [String, Object],
      required: true
    }
  },
  data () {
    return {}
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {
    this.cropper = new Cropper(this.$refs.img, {
  // aspectRatio: 16 / 9,
  viewMode: 1,
  dragMode: 'move',
  aspectRatio: 1,
  // autoCropArea: 1,
  cropBoxMovable: false,
  cropBoxResizable: false,
  background: false
      /* viewMode: 1,  // 视图模式，1是限制裁剪框不超过画布的大小
      dragMode: 'move',   // 拖动模式, move是移动画布
      aspectRatio: 1,  // 纵横比 
      cropBoxMovable: false,  // 裁剪框可移动
      cropBoxResizable: false, // 裁剪框可拖动缩放大小
      background: false  // 背景是否需要 */

});
  },
  methods: {
      // 确定事件
    onConfirm(){
      this.cropper.getCroppedCanvas().toBlob( async blob=>{
        this.$toast.loading({
          forbidClick:true,
          message:'上传中'
        })
        let fd = new FormData()
        fd.append('photo',blob)
        try {
          let {data} = await updateUserPhoto(fd)
          this.$toast.success('上传成功')
          this.$emit('updata-photo',data.data.photo)
          this.$emit('close')
        } catch (error) {
          return this.$toast.fail('上传失败')
        }

      },'image/png')
    }
  },
  beforeDestroy(){
    this.cropper=null
  }
}
</script>

<style scoped lang="less">
.update-photo {
  background-color: #000;
  height: 100%;
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    .cancel, .confirm {
      width: 90px;
      height: 90px;
      font-size: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
    }
  }
}
.img {
  display: block;
  max-width: 100%;
}
</style>
